ViewSonic VG2021m-1 Service Manual page 33

6 Re-entry the ISP Mode
When you could not select or click ¡¥Reset MCU¡¦ button and enter ISP mode again, you refer the message as below:
Note:
(1)Disable the ¡¥Enter ISP Mode¡¦ option to avoid the error message display.
(2)If you using the MTV312M64 or before MCU serials, the MCU will always in ¡¥ISP Mode¡¦even programming fail or
erase MCU that instead of select or press ¡¥Reset MCU¡¦.
VG2021m-1
ViewSonic Corporation
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